Detecting Plant Disease Flashcards

1️⃣ Familiarise yourself with the flashcards:

  • Look through all the flashcards to see what's on both sides.
  • Make sure you understand the information on each card. If something's unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

  • Look at the question or prompt on each card and try to remember the answer before flipping it over.
  • Check the answer and make a note of any cards you find challenging and need to go over more.

3️⃣ Consistently Review and Practice:

  • Use spaced repetition: spend more time on the cards you struggle with and go over them more often.
  • Regularly review all the flashcards to help you better understand and retain the information over time.

Note: We may include questions that have multiple correct answers. It's useful to remember specific examples to understand these concepts better.

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What does it mean to detect a plant disease?

It means finding out if a plant is sick and what is causing the problem.

Why is early detection of plant disease important for farmers?

They can treat plants sooner, stop the disease spreading and reduce loss of crops.

Give three visible symptoms that may show a plant has a disease.

Spots on leaves, stunted growth and yellow or discoloured leaves.

How can gardeners or farmers use books or websites to detect plant disease?

They compare their plant’s symptoms with photos and descriptions of known diseases.

How can the pattern of sick plants in a field help show the cause of a problem?

Patches of sick plants suggest an infectious disease, while even sickness across the field suggests a wider problem like mineral lack.

How can soil tests help tell if a plant problem is disease or mineral deficiency?

Soil tests measure levels of mineral ions; low levels suggest a deficiency rather than an infection.

How can scientists use microscopes to help detect plant disease?

They look at thin slices of plant tissue under a microscope to see any bacteria, fungi or other pathogens.

What is a plant disease test kit that uses monoclonal antibodies?

It is a kit with special antibodies that stick to proteins from a particular pathogen in plant sap.

How do monoclonal antibody test kits show that a plant has a certain disease?

If the pathogen is present, the antibodies bind to it and a colour change or line appears on the test strip.

Why are laboratory tests, like DNA or antibody tests, more accurate than just looking at symptoms?

Many diseases look similar, but lab tests can show the exact pathogen that is present in the plant.

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